CN104712356A - Hydraulic self-moving circulating supporting tunnel combined support and construction method - Google Patents
Hydraulic self-moving circulating supporting tunnel combined support and construction method Download PDFInfo
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- CN104712356A CN104712356A CN201510059398.0A CN201510059398A CN104712356A CN 104712356 A CN104712356 A CN 104712356A CN 201510059398 A CN201510059398 A CN 201510059398A CN 104712356 A CN104712356 A CN 104712356A
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- 238000010276 construction Methods 0.000 title claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 57
- 239000011435 rock Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Abstract
The invention discloses a hydraulic self-moving circulating supporting tunnel combined support and a construction method. The hydraulic self-moving circulating supporting tunnel combined support at least comprises an on-support suspension self-moving device, a plurality of on-support suspension tunnel hydraulic support bodies, a rail, a trolley for carrying the tunnel hydraulic support bodies and a trolley traction device. The on-support suspension tunnel hydraulic support bodies support surrounding rock in the direction of the cross section of a tunnel, and space used for containing the suspension self-moving device is reserved among the tops of the on-support suspension tunnel hydraulic support bodies and a tunnel roof. The suspension self-moving device at least comprises a front suspension and a rear suspension connected with the front suspension, an advancing jack and locking devices on the cylinder side and movable column side of the advancing jack, the rail is arranged below the front suspension and the rear suspension in a parallel mode and connected with the two ends of the front suspension and the two ends of the rear suspension, the trolley is arranged on the rail, and the trolley is pulled by the trolley traction device to move back and forth along the rail.
Description
Technical field
The present invention relates to subsurface excavation engineering equipment field, specifically, relate to a kind of sectional shelf-unit and self-advancing Device thereof of laneway temporary support.
Background technology
It is that the strengthening supporting temporary lining of setting and driving face meet head on to cave in as country rock inbreak after preventing tunnel initating to hurt sb.'s feelings that the temporary lining of mine down-hole tunnel comprises face outlet tunnel, and the temporary lining of establishing.The common feature of this two classes temporary lining will move forward along with the propelling of getting working face.
Traditional face temporary lining withdraws carrying and installation and manually carries out, and worker's labour intensity is large, and employment is many, efficiency is low, supporting intensity is low, and safety is unreliable.In recent years, along with the development of mining equipment technology, have part fully-mechanized mining work plane to export lame advanced supporting use pull in front and others push behind or replace walking type hydraulic supports, this hydraulic support is move towards supported laneway top board along tunnel mostly, although bracket support intensity is large, hydraulic pressure is from moving, solve labour intensity and the safety problem of worker, but support rolls anchor shaft anchor cable repeatedly, the original roadway support of heavy damage, owing to pulling in front and others push behind or alternately taking a step to there is repeatedly the destruction of support unloading to back, application is difficult to when the large roof cracking of Tunnel Pressure.
Digging laneway temporary support is the main security facility of driving face.More shallow and Surrounding Rock Strength is high, self-supporting is reliable and stable after excavation, geological structure is simple etc. the applicable condition for mining depth, mechanical system is adopted to carry out permanent support, operating personnel does not need to enter empty top zone, can not do temporary lining, directly carries out permanent support.But generally, want first near boring head, to implement temporary lining after roadway excavation, under the protection of temporary lining, implement the permanent support in tunnel.Existing digging laneway temporary support and adopt mechanical system to carry out permanent support and mainly contain 6 types, these temporary lining modes are all at existing defects in varying degrees.
1, traditional temporary lining mode has suspension ring to add steel pipe (or track, shaped steel) etc., adds protect topping material temporary lining top board by front altering steel pipe (or track, shaped steel) etc.Need artificial lapping when altering before temporary lining, manually topping material be installed; labour intensity is large, and the lower operation in empty top is dangerous, does not almost have roof timbering power; limited protective effect can only be played to operating personnel, often occur that field operation personnel follow the line of least resistance, dislike trouble, do not use phenomenon.
2, development machine frame joist type temporary lining, lapping operation is still under sky top, and supporting area does not reach tunneling boring, frame strength and limited with development machine bonding strength, and supporting power is very little, and when implementing temporary lining and permanent support, development machine just cannot parallel operations.
3, dig anchoring integral development machine and carry out twice change so far from sixties first generation anchor driving machine birth, third generation pick anchoring integral, although achieve the parallel operations of pick anchor, but anchor pole unsupported back span is large, and generally more than 1.2-1.5 rice, supporting can not immediately following meeting head on, so, be only applicable to that Bian is dark little, ore deposit pressure is little, wall rock condition good big cross section rectangle or trapezoidal tunnel, therefore, never applied widely.The Bian degree of depth is opened darker as China overwhelming majority mining area and the country such as Germany, Poland, ore deposit pressure is large, the conditions such as country rock soft broken, anchor pole is intensive, even also need linked network and cable bolting, support work amount is large, and not only unsupported back span is from can not meet requirement, support time, much larger than the cut time, is also difficult to synchronous with cut.
4, front-back pull-push type or paired alternately step type hydraulic pressure automatic shifting stand, each circulation supports once repeatedly to top board, destructible top board; be unfavorable for the supporting to top board; when roof condition is bad, must supporting be shut down, tunneling machine cutting and permanent support parallel operations can not be realized.
5, the monorail crane timbering machine of Germany's development.The mechanized operation of permanent support can be realized, avoid personnel to enter the operation of non-support district, but this device structure is too complicated, appearance and size is large, can only be applicable to large section roadway construction, and supporting and driving cut are at the same area, mutually dryly to scratch, affect parallel operations efficiency.
6, TBM rock ripper has worn-out open type, two shield, single shield etc., and tunnel construction temporary lining form is the support pattern integrated with tunneling boring cut development machine.The supporting of this support pattern boring head to top side is to integrated support, contraction, the reach of country rock, support by shield total length again, repeatedly support destructible country rock, being only applicable to turn round, radius of curvature is large, the good tunnel construction of big cross section, wall rock condition, meets tomography, zone of fracture is easily stuck.
Therefore, how designing a kind of brand-new device, realize the temporary lining in tunnel, is the problem that those skilled in the art urgently need solve.
Summary of the invention
The object of the invention is the deficiency for overcoming above-mentioned prior art, providing a kind of hydraulic pressure to support tunnel sectional shelf-unit and operational applications method thereof from moving circulation.
The technical solution used in the present invention is as follows:
A kind of hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, at least should comprise: frame suspends self-advancing Device, some frame frame over slung type alley hydraulic supports, track, the dolly of delivery alley hydraulic support and pulling device for small vehicle in midair, wherein, described frame over slung type alley hydraulic support supports country rock along tunnel cross-sectional direction, leave certain space between the top of described support and back, described space is for placing suspention self-advancing Device; Described suspention self-advancing Device at least should comprise connected forward and backward suspension, the locking system of advancing jack and advancing jack cylinder body side and post side of living is provided with in the end of described rear overhang suspension bracket, described track installation is in the below of forward and backward suspension and be connected with the two ends of forward and backward suspension, dolly is installed in orbit, and described dolly draws it by pulling device for small vehicle and moves back and forth along track.
Described frame over slung type alley hydraulic support, has " one " font, " people " font, three-core arch or Semicircular arched according to the back timber shape of support; According to the mode of propping up back of support have can along tunnel cross-sectional direction folding expandable and only alley hydraulic support both sides be supported for telescopic type.
Described suspention self-advancing Device at least should comprise connected forward and backward suspension, the locking system of advancing jack and advancing jack cylinder body side and post side of living is provided with in described forward and backward suspension, when temporary lining section length is longer or centre have become slope time, be provided with several connecting rods between the suspension of front and back, the connection between front overhang suspension bracket, connecting rod, rear overhang suspension bracket is hinged.
Described suspention self-advancing Device has rigid suspension or flexible suspention two kinds of forms according to sus-pension, and rigid suspension formula suspension and interorbital connection are hinged or are welded as a whole; During flexible suspention, there is adjustable to suspend chain (rope) length in midair and suspention chain (rope) length two kinds of forms can not be adjusted; The adjustment of suspention chain (rope) length is realized by hydraulic jack or hydraulic motor;
The front overhang suspension bracket front end of described suspention self-advancing Device is divided into without protecting top board or protecting top board two kinds of forms, if protect top board, then protects top board and is weldingly fixed on front overhang suspension bracket.
Advancing jack cylinder body and the styletable of living of described suspention self-advancing Device are respectively equipped with locking system, described locking system is the device making suspention self-advancing Device and back or frame over slung type alley hydraulic support fix to limit its relative movement, be accomplished in several ways, as having locking system to be directly arranged in cylinder body according to the connection relation of locking system and cylinder body and intercolumniation of living and living on post; Or the locking system being positioned at cylinder body side can also be arranged on connecting rod; The locking mode being positioned at the locking system of cylinder body side is the jack be inserted in by latch on described alley hydraulic support, or between two alley hydraulic supports; Locking and unlocking manner to have when passing and fall frame automatic locking and unblock, hand-hydraulic or armstrong's patent linkage locking and unlock three kinds of modes.
The advancing jack cylinder body of described suspention self-advancing Device and the locking system of styletable of living are wire rope spring extension sleeve, when advancing jack cylinder body or styletable of living move, the jack drawing wire rope sleeve collapses to depart from support unlocks, when advancing jack cylinder body or styletable of living move into place, sleeve stretches out the jack automatic locking entered on support under the action of the spring.
The carrier trolley of described delivery alley hydraulic support has various ways according to rack form difference, and as can along tunnel cross-sectional direction folding expandable support, dolly be provided with the stretching device of auxiliary stand lifting; For only alley hydraulic support supported on both sides telescopic support, dolly is provided with and horizontally rotates bracket, and landing after on dolly at support makes support avoid installations and facilities in tunnel supporting bracket and tunnel to move by horizontally rotating.
Described pulling device for small vehicle mode of traction has various ways, and as hydraulic wireline winch, chain (rope), assembly pulley traction, hydraulic jack, chain (rope), assembly pulley draw, and hydraulic jack group is drawn.
Construction method and the operating principle of device are described in conjunction with Figure of description for tunnelling temporary lining below:
Step one: development machine completes cut;
Step 2: rise hydraulic vertical prop, by being positioned at the post alive of the locking system locking advancing jack of post side alive;
Step 3: carrier trolley moves to below the alley hydraulic support of track afterbody under the drive of draw-gear;
Step 4: coordinated by the auxiliary lifting devices on carrier trolley, the alley hydraulic support of afterbody is dropped on dolly, is positioned at the locking system automatic unlocking of cylinder body side simultaneously;
Step 5: in the middle part of reach carrier trolley to track, advancing jack stretches out on reach frame and suspends self-advancing Device in midair and locking system automatic locking cylinder body by being positioned at cylinder body side;
Step 6: carrier trolley moves forward to track header, rises alley hydraulic support supported laneway top board;
Step 7: retreat in the middle part of carrier trolley to track;
Step 8: fall hydraulic vertical prop, the styletable alive of advancing jack shrinks;
Step 9: repeat step one to eight, enters next circulation, until engineering construction completes.
Beneficial effect of the present invention is as follows:
The method and apparatus that the present invention proposes, can realize development machine driving and roadway support operation simultaneously, can increase substantially tunnelling support efficiency; The falsework circulating system of the present invention's design, can realize installing with the mechanical assistance of support from advancing by hydraulic system, automaticity is higher, avoids the operation of workman's highly intensive labour; The present invention avoids tunnelling and the top operation of supporting sky to a great extent, has positive effect for guarantee safety;
Accompanying drawing explanation
Fig. 1: apparatus of the present invention structure principle chart;
Fig. 2: fundamental diagram of the present invention;
Fig. 3: advancing jack schematic diagram of the present invention;
Fig. 4: apparatus of the present invention A-A sectional view;
Fig. 5: front overhang suspension bracket top view of the present invention;
Fig. 6: front overhang suspension bracket phantom drawing of the present invention;
In figure: 1, frame suspends self-advancing Device in midair, 2, suspension alley hydraulic support, 3, suspention chain (rope), 4, track, 5, carrier trolley, 6, pulling device for small vehicle, 7, front overhang suspension bracket, 8, rear overhang suspension bracket, 9, advancing jack, 10, advancing jack cylinder body side chain locking apparatus, 11, advancing jack lives post side chain locking apparatus, 12, connecting rod, 13, hinged, 14, hydraulic vertical prop, 15, hydraulic jack, 16, tube-in-tube structure, 17, supporting job platform, 18, protect top board.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it at least should comprise: frame suspends self-advancing Device 1, some framves (length with need supporting district phase) frame over slung type alley hydraulic support 2 in midair, suspend chain (rope) 3, track 4, the dolly 5 delivering alley hydraulic support and pulling device for small vehicle 6 etc. in midair, wherein, described its principal character of frame over slung type alley hydraulic support is support is support country rock along tunnel cross-sectional direction, on frame top, support centre position, (and between back) leaves certain space, and this space is for placing suspention self-advancing Device 2; Described suspention self-advancing Device (as Fig. 2) at least should comprise forward and backward suspension 7,8, advancing jack 9 and advancing jack cylinder body side chain locking apparatus 10 and advancing jack are lived post side chain locking apparatus 11, several connecting rods (length is equal with needing supporting district) 12 etc.
Described its principal character of frame over slung type alley hydraulic support is support is support country rock along tunnel cross-sectional direction, and on support frame top, (and between back) leaves certain space, and this space is for placing suspention self-advancing Device; The forms such as " one " font, " people " font, three-core arch, Semicircular arched are had according to the back timber shape of support; According to the mode of propping up back of support have can along tunnel cross-sectional direction folding expandable and only alley hydraulic support both sides be supported for the forms such as telescopic type.
Suspention self-advancing Device (as shown in Figure 2) at least should comprise forward and backward suspension 7,8, the locking system 10 and 11 etc. of advancing jack 9 and advancing jack cylinder body side and post side of living, when temporary lining section length is longer or centre have become slope time, be provided with several connecting rods 12 between the suspension of front and back, the connection between above-mentioned each parts is hinged 13.
Suspention self-advancing Device has rigid suspension and flexible suspention two kinds of forms according to sus-pension, and rigid suspension formula suspension and interorbital connection are hinged or are welded as a whole; During flexible suspention, there is adjustable to suspend chain (rope) length in midair and suspention chain (rope) length two kinds of forms can not be adjusted; The adjustment of suspention chain (rope) length is realized by hydraulic jack 15 or hydraulic motor;
Suspention self-advancing Device front overhang suspension bracket front end, with or without protecting top board 18 and protecting top board 18 two kinds of forms, is protected top board and is weldingly fixed on front overhang suspension bracket 7.
Suspention self-advancing Device advancing jack cylinder body and styletable of living are respectively equipped with locking system.Described locking system is the device making self-advancing Device and back or support fix to limit its relative movement, can be accomplished in several ways, as having locking system to be directly arranged in cylinder body according to the connection relation of locking system and cylinder body and intercolumniation of living and living on post;
Or advancing jack cylinder body side chain locking apparatus is located on forward and backward connecting rod; Locking mode is inserted in by latch in the jack on alley hydraulic support, or other forms such as between two supports; Locking and unlocking manner have automatic locking and unblock when passing and fall frame, manually, hydraulic pressure or the form such as mechanical linkage locking and unblock.
The locking system of suspention self-advancing Device advancing jack cylinder body 9 and styletable of living is wire rope spring extension sleeve 16, when advancing jack cylinder body or styletable of living move, the jack drawing wire rope sleeve collapses to depart from support unlocks, when advancing jack cylinder body or styletable of living move into place, sleeve stretches out the jack automatic locking entered on support under the action of the spring.
The dolly of delivery alley hydraulic support has various ways according to rack form difference, and as can along tunnel cross-sectional direction folding expandable support, dolly be provided with the device of auxiliary stand lift telescopic; For only alley hydraulic support supported on both sides telescopic support, dolly is provided with and horizontally rotates bracket, and landing after on dolly at support makes support avoid installations and facilities in tunnel supporting bracket and tunnel to move by horizontally rotating.
Pulling device for small vehicle mode of traction has various ways, and as hydraulic wireline winch, chain (rope), assembly pulley traction, hydraulic jack, chain (rope), assembly pulley draw, hydraulic jack group traction etc.
Construction method and the operating principle of device are described in conjunction with Figure of description for tunnelling temporary lining below:
Step one: development machine completes cut;
Step 2: rise hydraulic vertical prop 14, the post alive of locking advancing jack 9;
Step 3: carrier trolley 5 moves to the below of afterbody alley hydraulic support under the drive of draw-gear 6;
Step 4: coordinated by the auxiliary lifting devices on carrier trolley, bracket at tail part is dropped on dolly, simultaneously locking system automatic unlocking;
Step 5: reach carrier trolley 5 to middle part, stretches advancing jack reach self-advancing Device and automatic locking cylinder body;
Step 6: carrier trolley 5 moves forward to end, rises hydraulic support stand back.
Step 7: retreat carrier trolley to middle part.
Step 8: fall hydraulic vertical and live 14, advancing jack shrinks.
Step 9: repeat step one to eight, enters next circulation, until engineering construction completes.
Hydraulic vertical prop 14 is arranged on supporting job platform 17, along with supporting job platform 17 moves forward.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. a hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: at least comprise on frame and suspend self-advancing Device, some frame frame over slung type alley hydraulic supports, the carrier trolley delivering alley hydraulic support and pulling device for small vehicle in midair, described frame over slung type alley hydraulic support supports country rock along tunnel cross-sectional direction, leaves for placing the space of suspending self-advancing Device in midair between the top of described frame over slung type alley hydraulic support and back; Described suspention self-advancing Device at least should comprise connected forward and backward suspension, the locking system of advancing jack and advancing jack cylinder body side and post side of living is provided with in the end of described rear overhang suspension bracket, described track installation is in the below of forward and backward suspension and be connected with the two ends of forward and backward suspension, dolly is installed in orbit, and described dolly draws it by pulling device for small vehicle and moves back and forth along track.
2. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: described frame over slung type alley hydraulic support has " one " font, " people " font, three-core arch or Semicircular arched according to the back timber shape of support; According to the mode of propping up back of support have the telescopic type that can fold along tunnel cross-sectional direction or only alley hydraulic support both sides be supported for telescopic type.
3. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: when temporary lining section length is longer or centre have become slope time, be provided with several connecting rods between the suspension of front and back, and the connection between front overhang suspension bracket, connecting rod, rear overhang suspension bracket is hinged.
4. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: described suspention self-advancing Device has rigid suspension or flexible suspention two kinds of forms according to sus-pension;
Described rigid suspension formula suspension and interorbital connection are hinged or one of two kinds of forms being welded as a whole;
Described flexible hanging suspension, has adjustable suspend chain or rope length in midair and can not adjust one of suspention chain or rope length two kinds of forms.
5. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: the front overhang suspension bracket front end of described suspention self-advancing Device is divided into without protecting top board or protecting top board two kinds of forms, if protect top board, then protects top board and is weldingly fixed on front overhang suspension bracket.
6. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: the locking system being positioned at cylinder body side can also be arranged on connecting rod; The locking mode being positioned at the locking system of cylinder body side is the jack be inserted in by latch on described alley hydraulic support, or between two alley hydraulic supports; Locking and unlocking manner to have when passing and fall frame automatic locking and unblock, hand-hydraulic or armstrong's patent linkage locking and unlock three kinds of modes.
7. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: described locking system is wire rope spring extension sleeve.
8. as described in right 1, hydraulic pressure supports tunnel sectional shelf-unit from moving circulation, it is characterized in that: the carrier trolley of described delivery alley hydraulic support is divided into two kinds of forms according to rack form: a kind of form: for can along tunnel cross-sectional direction folding expandable support, dolly is provided with the device of auxiliary stand lift telescopic; Or another kind of form: for only alley hydraulic support supported on both sides telescopic support, dolly is provided with and horizontally rotates bracket, and landing after on dolly at support makes support avoid installations and facilities in tunnel supporting bracket and tunnel to move by horizontally rotating.
9. as described in right 1, hydraulic pressure, from the construction method of moving circulation support tunnel sectional shelf-unit, is characterized in that, as follows:
Step one: development machine completes cut;
Step 2: rise hydraulic vertical prop, by being positioned at the post alive of the locking system locking advancing jack of post side alive;
Step 3: carrier trolley moves to below the alley hydraulic support of track afterbody under the drive of draw-gear;
Step 4: coordinated by the auxiliary lifting devices on carrier trolley, the alley hydraulic support of afterbody is dropped on dolly, is positioned at the locking system automatic unlocking of cylinder body side simultaneously;
Step 5: in the middle part of reach carrier trolley to track, advancing jack stretches out on reach frame and suspends self-advancing Device in midair and locking system automatic locking cylinder body by being positioned at cylinder body side;
Step 6: carrier trolley moves forward to track header, rises alley hydraulic support supported laneway top board;
Step 7: retreat in the middle part of carrier trolley to track;
Step 8: fall hydraulic vertical prop, the styletable alive of advancing jack shrinks;
Step 9: repeat step one to eight, enters next circulation, until engineering construction completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510059398.0A CN104712356B (en) | 2015-02-04 | 2015-02-04 | A kind of hydraulic pressure supports tunnel sectional shelf-unit and construction method from moving circulation |
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| CN201510059398.0A CN104712356B (en) | 2015-02-04 | 2015-02-04 | A kind of hydraulic pressure supports tunnel sectional shelf-unit and construction method from moving circulation |
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| CN104712356A true CN104712356A (en) | 2015-06-17 |
| CN104712356B CN104712356B (en) | 2016-09-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105041357A (en) * | 2015-08-20 | 2015-11-11 | 天地科技股份有限公司 | Monorail hoisting tail-to-head-type advance support system |
| CN112160784A (en) * | 2020-08-13 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Transportation crossheading alternate circulation support type advance support device and support method |
| CN112576301A (en) * | 2020-12-15 | 2021-03-30 | 郑州煤矿机械集团股份有限公司 | Fully-mechanized mining face transportation crossheading unit support carrying system |
| CN112922648A (en) * | 2021-04-07 | 2021-06-08 | 中国矿业大学 | Rail mounted hydraulic pressure sectional shelf-unit |
| CN114017051A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support mounting vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105041357A (en) * | 2015-08-20 | 2015-11-11 | 天地科技股份有限公司 | Monorail hoisting tail-to-head-type advance support system |
| CN112160784A (en) * | 2020-08-13 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Transportation crossheading alternate circulation support type advance support device and support method |
| CN112576301A (en) * | 2020-12-15 | 2021-03-30 | 郑州煤矿机械集团股份有限公司 | Fully-mechanized mining face transportation crossheading unit support carrying system |
| CN112922648A (en) * | 2021-04-07 | 2021-06-08 | 中国矿业大学 | Rail mounted hydraulic pressure sectional shelf-unit |
| CN114017051A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support mounting vehicle |
| CN114017051B (en) * | 2021-10-11 | 2023-10-20 | 煤炭科学研究总院有限公司 | Bracket mounting vehicle |
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|---|---|
| CN104712356B (en) | 2016-09-14 |
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